© National Instruments
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4-3
Figure 4-2.
NI 6511 Input Signal Connection Example
Figure 4-3.
NI 6514/6515 Input Signal Connection Example
Figure 4-4.
NI 651
8
/6519 Input Signal Connection Example
+
3
.
3
V
P<0..7>.<0..7>
P<0..7>.COM
NI 6511
0 V ~ +
3
0 V
or
0 V ~ –
3
0 V
AC Inp
u
t
Photoco
u
pler
AC Inp
u
t
Photoco
u
pler
+
3
.
3
V
P<0..
3
>.<0..7>
P<0..
3
>.COM
NI 6514/15
0 V ~ +
3
0 V
or
0 V ~ –
3
0 V
AC Inp
u
t
Photoco
u
pler
+
3
.
3
V
P<0..1>.<0..7>
IN.COM
NI 6518/19
0 V ~ +
3
0 V
or
0 V ~ –
3
0 V
